Low frequency amplifier on a TDA2025 chip. Encyclopedia of radio electronics and electrical engineering
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Latest news of science and technology, new electronics:
Machine for thinning flowers in gardens
02.05.2024
In modern agriculture, technological progress is developing aimed at increasing the efficiency of plant care processes. The innovative Florix flower thinning machine was presented in Italy, designed to optimize the harvesting stage. This tool is equipped with mobile arms, allowing it to be easily adapted to the needs of the garden. The operator can adjust the speed of the thin wires by controlling them from the tractor cab using a joystick. This approach significantly increases the efficiency of the flower thinning process, providing the possibility of individual adjustment to the specific conditions of the garden, as well as the variety and type of fruit grown in it. After testing the Florix machine for two years on various types of fruit, the results were very encouraging. Farmers such as Filiberto Montanari, who has used a Florix machine for several years, have reported a significant reduction in the time and labor required to thin flowers.
... >>
Advanced Infrared Microscope
02.05.2024
Microscopes play an important role in scientific research, allowing scientists to delve into structures and processes invisible to the eye. However, various microscopy methods have their limitations, and among them was the limitation of resolution when using the infrared range. But the latest achievements of Japanese researchers from the University of Tokyo open up new prospects for studying the microworld. Scientists from the University of Tokyo have unveiled a new microscope that will revolutionize the capabilities of infrared microscopy. This advanced instrument allows you to see the internal structures of living bacteria with amazing clarity on the nanometer scale. Typically, mid-infrared microscopes are limited by low resolution, but the latest development from Japanese researchers overcomes these limitations. According to scientists, the developed microscope allows creating images with a resolution of up to 120 nanometers, which is 30 times higher than the resolution of traditional microscopes. ... >>
Air trap for insects
01.05.2024
Agriculture is one of the key sectors of the economy, and pest control is an integral part of this process. A team of scientists from the Indian Council of Agricultural Research-Central Potato Research Institute (ICAR-CPRI), Shimla, has come up with an innovative solution to this problem - a wind-powered insect air trap. This device addresses the shortcomings of traditional pest control methods by providing real-time insect population data. The trap is powered entirely by wind energy, making it an environmentally friendly solution that requires no power. Its unique design allows monitoring of both harmful and beneficial insects, providing a complete overview of the population in any agricultural area. “By assessing target pests at the right time, we can take necessary measures to control both pests and diseases,” says Kapil ... >>
| Random news from the Archive Cooling paint for facades
17.07.2020
The use of white paint for the facades of buildings located in those regions of the Earth where the very hot and aggressive Sun usually shines is more than a rational and reasonable step - after all, white paint reflects sunlight well, thereby allowing buildings and surfaces to remain colder.
On the other hand, most modern commercial white facade paints do not have the level of UV reflection that one would like to have on the hottest days, and therefore a team of material engineers from the University of California presented their own development of a new effective paint.
This is not a completely new type of white building paint, but rather an improved format of an existing one, thus having a wider profile to reflect light. Worth noting is the fact that the presented super-white paint - as described by the experts themselves - in preliminary tests was able to reflect up to 98% of outgoing ultraviolet sunlight, which is a really impressive result, given that the best offers on the market can reflect up to 85% rays max.
The secret to such an effective reflection result lies in the fact that instead of using traditional and standard titanium oxide, a team of specialists from the University of California used a pigment called barite, as well as Teflon, which allowed them to be combined into the so-called polytetrafluoroethylene - the active component, due to which it is possible reflect a really huge amount of outgoing ultraviolet rays from the Sun.
So far, the new paint uses an excessive amount of expensive polymers - and this is the most indicative problem in order to offer a quality commercial version of the paint.
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